./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a0edfd90480f917557019c272eaa2ec2221428a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:30:10,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:30:10,867 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:30:10,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:30:10,875 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:30:10,875 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:30:10,876 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:30:10,877 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:30:10,879 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:30:10,879 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:30:10,880 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:30:10,880 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:30:10,881 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:30:10,882 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:30:10,882 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:30:10,883 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:30:10,883 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:30:10,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:30:10,886 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:30:10,887 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:30:10,888 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:30:10,889 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:30:10,890 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:30:10,891 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:30:10,891 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:30:10,892 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:30:10,892 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:30:10,893 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:30:10,894 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:30:10,894 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:30:10,894 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:30:10,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:30:10,895 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:30:10,895 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:30:10,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:30:10,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:30:10,896 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 13:30:10,908 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:30:10,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:30:10,909 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:30:10,909 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:30:10,909 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:30:10,909 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:30:10,909 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:30:10,910 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:30:10,910 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:30:10,910 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:30:10,910 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:30:10,910 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:30:10,910 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:30:10,910 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:30:10,910 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:30:10,910 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:30:10,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:30:10,910 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:30:10,911 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:30:10,911 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:30:10,911 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:30:10,911 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:30:10,911 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:30:10,911 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:30:10,911 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:30:10,911 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:30:10,911 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:30:10,912 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:30:10,912 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:30:10,912 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:30:10,912 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:30:10,912 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:30:10,912 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a0edfd90480f917557019c272eaa2ec2221428a [2018-11-28 13:30:10,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:30:10,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:30:10,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:30:10,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:30:10,947 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:30:10,947 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-11-28 13:30:10,986 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/data/156512c42/88f9a401858e454e845da3acd7834e32/FLAG0c3d780d2 [2018-11-28 13:30:11,383 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:30:11,383 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-11-28 13:30:11,387 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/data/156512c42/88f9a401858e454e845da3acd7834e32/FLAG0c3d780d2 [2018-11-28 13:30:11,395 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/data/156512c42/88f9a401858e454e845da3acd7834e32 [2018-11-28 13:30:11,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:30:11,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:30:11,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:30:11,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:30:11,401 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:30:11,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666a2baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11, skipping insertion in model container [2018-11-28 13:30:11,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:30:11,418 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:30:11,508 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:30:11,510 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:30:11,521 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:30:11,529 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:30:11,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11 WrapperNode [2018-11-28 13:30:11,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:30:11,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:30:11,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:30:11,530 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:30:11,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:30:11,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:30:11,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:30:11,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:30:11,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (1/1) ... [2018-11-28 13:30:11,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:30:11,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:30:11,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:30:11,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:30:11,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:30:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:30:11,770 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:30:11,770 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 13:30:11,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:30:11 BoogieIcfgContainer [2018-11-28 13:30:11,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:30:11,771 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:30:11,771 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:30:11,774 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:30:11,775 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:30:11,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:30:11" (1/3) ... [2018-11-28 13:30:11,776 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a7f9ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:30:11, skipping insertion in model container [2018-11-28 13:30:11,776 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:30:11,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:30:11" (2/3) ... [2018-11-28 13:30:11,778 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a7f9ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:30:11, skipping insertion in model container [2018-11-28 13:30:11,778 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:30:11,778 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:30:11" (3/3) ... [2018-11-28 13:30:11,780 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_true-unreach-call1_true-termination.i [2018-11-28 13:30:11,828 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:30:11,829 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:30:11,829 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:30:11,829 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:30:11,830 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:30:11,830 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:30:11,830 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:30:11,830 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:30:11,830 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:30:11,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 13:30:11,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 13:30:11,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:30:11,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:30:11,872 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:30:11,873 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 13:30:11,873 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:30:11,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 13:30:11,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 13:30:11,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:30:11,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:30:11,874 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:30:11,874 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 13:30:11,883 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true [2018-11-28 13:30:11,883 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-28 13:30:11,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:30:11,890 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 13:30:11,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:30:11,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:30:11,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:11,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:30:11,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:11,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:30:11,971 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 13:30:11,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:30:11,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:30:11,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:11,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:30:11,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:11,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:30:11,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 13:30:11,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:30:11,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:30:11,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:11,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:30:11,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:12,046 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:30:12,047 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:30:12,047 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:30:12,047 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:30:12,047 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:30:12,048 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:12,048 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:30:12,048 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:30:12,048 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 13:30:12,048 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:30:12,048 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:30:12,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:12,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:12,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:12,196 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:30:12,196 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:12,199 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:30:12,200 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:30:12,205 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:30:12,205 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:12,221 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:30:12,221 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:30:12,223 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:30:12,224 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:12,238 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:30:12,238 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:12,255 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:30:12,255 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:30:27,909 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 13:30:27,913 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:30:27,913 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:30:27,914 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:30:27,914 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:30:27,914 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:30:27,914 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:27,914 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:30:27,914 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:30:27,914 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 13:30:27,914 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:30:27,914 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:30:27,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:27,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:27,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:28,006 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:30:28,009 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:30:28,010 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,011 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,011 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,012 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,012 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,012 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:30:28,013 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:30:28,013 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,017 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,017 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,017 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,017 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,018 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,018 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:30:28,018 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:30:28,018 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,019 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,020 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,020 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,020 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,022 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:30:28,023 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:30:28,023 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,029 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,029 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 13:30:28,030 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,031 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,031 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,031 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,031 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,031 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:28,032 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:28,032 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,033 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,033 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,034 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,034 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,034 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:28,035 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:28,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,036 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,037 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,037 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,037 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,037 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,039 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,039 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:28,041 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:28,041 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,048 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,048 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 13:30:28,049 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,049 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,049 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,050 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:28,051 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:28,051 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,052 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,052 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,053 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,053 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,053 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,053 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,053 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:28,055 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:28,056 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,057 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,058 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:28,059 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:28,059 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,066 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 13:30:28,066 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,067 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,067 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,068 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,068 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:28,069 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:28,069 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,071 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,072 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,072 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,072 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,073 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,073 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,073 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:28,073 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:28,074 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,075 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,075 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:28,075 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,076 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:28,077 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:28,077 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,088 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,089 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 13:30:28,089 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,090 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,090 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:28,090 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,090 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,090 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,090 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:28,092 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:28,092 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,097 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,098 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,098 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,098 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:28,098 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,099 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,099 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,099 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:28,100 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:28,100 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,101 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,101 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,104 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,105 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:28,105 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,105 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,105 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:28,106 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:28,106 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,128 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,128 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 13:30:28,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,129 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,129 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:30:28,129 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,131 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:28,134 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:28,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,139 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,140 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,140 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,140 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:30:28,140 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,141 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,141 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:28,144 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:28,144 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,146 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,146 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,147 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,147 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:30:28,147 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,147 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,148 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:28,149 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:28,149 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,177 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,177 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 13:30:28,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,178 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,179 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:28,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,179 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:28,183 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:28,184 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,186 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,186 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,187 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:28,187 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,187 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,187 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:28,188 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:28,188 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,189 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,189 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,189 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,192 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:28,193 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,193 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:28,194 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:28,194 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,227 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,228 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 13:30:28,228 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,229 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,229 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:28,229 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,229 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,230 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:28,230 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:28,230 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,236 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,236 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,237 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,237 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:28,237 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,237 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,237 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,237 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:28,237 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:28,237 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,239 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,240 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,240 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,240 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:28,240 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,241 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,241 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,241 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:28,241 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:28,245 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,251 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,252 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 13:30:28,252 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,254 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,254 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:28,254 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,254 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,254 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:30:28,256 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:30:28,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,267 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,268 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,268 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:28,268 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,268 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:30:28,269 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:30:28,269 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,273 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,273 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:28,274 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:28,274 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:28,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:28,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:28,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:28,274 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:30:28,275 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:30:28,276 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:28,288 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:28,318 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:30:28,318 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:30:28,318 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:30:28,318 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:30:28,318 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:30:28,318 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:28,318 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:30:28,318 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:30:28,319 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 13:30:28,319 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:30:28,319 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:30:28,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:28,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:28,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:28,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:28,390 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:30:28,391 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:28,393 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:30:28,393 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:30:28,395 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:30:28,396 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:28,420 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:30:28,420 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:30:28,422 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:30:28,422 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:28,446 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:30:28,447 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:28,465 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:30:28,465 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:30:43,621 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 13:30:43,627 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:30:43,627 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:30:43,627 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:30:43,627 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:30:43,627 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:30:43,627 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:43,627 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:30:43,627 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:30:43,627 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 13:30:43,627 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:30:43,628 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:30:43,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:43,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:43,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:43,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:43,687 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:30:43,688 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:30:43,688 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,689 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,689 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,689 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:30:43,689 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:30:43,689 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,690 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,691 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,691 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,691 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:30:43,693 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:30:43,693 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:30:43,699 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,700 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,700 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,701 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,701 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:30:43,703 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:30:43,703 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:30:43,709 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,710 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,710 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,710 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,711 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:30:43,711 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:30:43,711 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,712 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,712 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 13:30:43,712 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,713 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,713 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,713 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,713 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,713 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:43,718 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:43,719 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,720 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,720 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,721 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,721 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:43,723 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 13:30:43,723 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 13:30:43,734 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,735 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,736 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:43,737 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 13:30:43,737 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 13:30:43,752 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,752 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,753 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,753 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,753 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:43,756 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:43,757 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,757 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,757 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 13:30:43,758 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,758 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,759 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,759 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,759 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,759 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:43,759 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:43,760 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,760 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,761 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,761 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,762 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:43,764 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:30:43,764 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:30:43,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,775 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,776 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:43,779 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:30:43,779 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:30:43,802 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,802 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,803 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,803 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:43,804 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:43,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,805 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 13:30:43,805 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,808 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,808 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,808 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,808 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:43,809 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:43,809 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,809 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,810 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,811 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:43,813 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 13:30:43,813 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 13:30:43,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,828 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,829 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:43,831 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 13:30:43,831 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 13:30:43,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,870 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,871 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:43,871 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,871 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:43,872 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:43,872 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,873 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 13:30:43,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,873 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:43,873 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:43,874 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,874 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,874 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:43,874 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:43,875 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,875 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,876 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:43,876 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:43,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,876 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:43,878 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 13:30:43,878 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 13:30:43,895 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,895 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,896 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:43,896 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:43,896 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,896 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,896 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:43,900 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 13:30:43,901 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 13:30:43,987 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,988 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,988 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:43,988 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:43,988 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,989 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,989 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,989 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:43,989 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:43,989 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,990 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,990 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 13:30:43,990 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,991 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:43,991 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:30:43,991 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:43,991 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,991 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,991 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:43,992 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:43,992 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:43,993 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:43,993 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:43,993 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:43,994 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:30:43,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:43,994 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:43,994 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:43,996 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:30:43,996 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:30:44,018 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:44,018 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:44,019 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:44,019 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:30:44,019 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:44,019 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:44,019 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:44,022 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:30:44,022 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:30:44,462 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:44,462 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:44,463 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:44,463 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:30:44,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:44,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:44,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:44,463 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:44,464 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:44,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:44,465 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:44,465 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 13:30:44,465 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:44,465 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:44,465 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:44,466 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:44,466 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:44,466 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:44,466 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:44,467 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:44,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:44,467 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:44,467 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:44,468 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:44,468 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:44,468 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:44,468 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:44,468 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:44,471 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 13:30:44,471 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 13:30:44,499 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:44,499 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:44,499 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:44,500 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:44,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:44,500 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:44,500 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:44,504 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 13:30:44,504 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 13:30:45,575 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:45,576 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:45,576 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:45,576 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:45,576 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:45,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:45,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:45,577 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:45,578 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:45,578 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:45,578 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:45,579 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 13:30:45,579 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:45,579 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:45,579 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:45,579 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:45,580 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:45,580 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:45,580 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:45,580 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:45,580 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:45,581 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:45,582 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:45,582 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:45,582 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:45,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:45,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:45,582 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:45,584 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:30:45,584 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:30:45,594 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:45,594 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:45,595 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:45,595 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:45,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:45,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:45,595 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:45,597 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:30:45,597 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:30:45,616 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:45,617 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:45,617 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:45,617 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:45,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:45,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:45,618 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:45,618 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:45,618 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:45,618 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:45,619 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:45,619 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 13:30:45,620 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:45,620 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:45,620 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:45,620 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:45,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:45,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:45,621 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:30:45,621 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:30:45,621 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:45,622 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:45,623 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:45,623 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:45,623 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:45,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:45,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:45,623 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:30:45,625 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 13:30:45,625 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 13:30:45,649 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:45,650 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:45,650 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:45,650 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:45,651 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:45,651 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:45,651 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:30:45,654 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 13:30:45,654 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 13:30:45,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:45,812 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:45,812 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:45,812 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:45,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:45,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:45,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:45,813 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:30:45,813 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:30:45,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:45,816 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:45,816 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 13:30:45,816 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-28 13:30:45,816 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-28 13:30:45,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:30:45,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-28 13:30:45,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:30:45,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:30:45,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:45,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:30:45,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:45,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:30:45,824 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-28 13:30:45,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:30:45,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:30:45,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:45,827 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:30:45,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:45,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:30:45,832 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-28 13:30:45,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:30:45,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:30:45,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:45,833 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:30:45,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:30:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:30:45,875 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:30:45,875 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:30:45,875 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:30:45,875 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:30:45,875 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:30:45,875 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:45,875 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:30:45,875 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:30:45,875 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 13:30:45,875 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:30:45,875 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:30:45,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:45,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:45,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:45,950 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:30:45,951 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:45,954 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:30:45,954 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:30:45,958 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:30:45,958 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:45,986 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:30:45,986 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:46,007 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:30:46,007 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:30:58,044 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 13:30:58,048 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:30:58,048 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:30:58,048 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:30:58,048 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:30:58,048 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:30:58,048 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:58,048 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:30:58,049 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:30:58,049 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 13:30:58,049 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:30:58,049 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:30:58,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:58,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:58,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:58,097 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:30:58,097 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:30:58,098 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,098 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,098 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,099 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:30:58,099 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:30:58,099 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,100 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,100 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,100 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,100 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,100 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,100 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,100 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:30:58,101 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:30:58,101 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,103 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,103 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,103 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,103 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,103 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,103 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:30:58,104 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:30:58,104 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,104 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,104 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 13:30:58,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,105 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,105 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,105 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,105 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:58,105 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:58,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,106 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,106 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,106 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,106 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,106 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:58,107 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:58,107 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,108 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,109 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,109 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,109 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,109 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,109 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,109 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:58,110 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:58,110 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,110 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,110 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 13:30:58,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,111 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,111 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,111 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,111 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,111 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:58,111 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:58,111 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,112 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,112 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,112 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,113 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:58,113 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:58,113 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,115 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,115 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,116 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,116 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,116 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,116 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:58,116 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:58,117 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,117 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,117 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 13:30:58,117 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,118 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,118 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,118 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,118 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,118 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:58,118 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:58,118 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,119 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,119 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,119 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,119 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,119 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:58,120 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:58,120 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,122 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,123 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,123 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:30:58,123 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,123 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:58,124 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:58,124 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,124 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 13:30:58,124 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,125 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,125 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:58,125 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,125 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,125 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:58,126 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:58,126 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,126 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,126 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,127 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,127 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:58,127 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,127 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,127 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,127 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:58,128 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:58,128 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,133 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,134 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,134 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:58,134 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,134 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,134 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,134 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:30:58,135 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:30:58,135 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,136 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 13:30:58,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,136 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,136 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:30:58,136 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,137 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:58,137 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:58,137 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,138 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,139 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,139 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:30:58,139 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,139 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:58,140 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:58,140 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,148 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,148 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,148 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:30:58,148 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,149 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,149 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:58,150 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:58,150 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,151 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,152 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 13:30:58,152 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,152 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,152 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:58,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,153 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,153 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,153 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:58,154 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:58,154 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,154 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,154 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,155 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,155 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:58,155 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,155 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,155 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,155 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:58,156 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:58,157 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,173 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,173 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,173 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,173 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:58,174 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,174 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,174 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,174 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:30:58,176 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:30:58,177 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,177 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,178 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 13:30:58,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,178 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,178 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:58,178 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,178 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,178 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,179 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:58,179 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:58,179 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,180 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,180 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,181 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,181 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:58,181 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,181 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,181 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,181 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:58,182 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:58,182 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,185 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,186 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,186 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:30:58,186 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,186 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:30:58,187 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:30:58,187 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,189 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,189 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 13:30:58,189 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,189 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,189 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:58,190 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,190 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,190 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:30:58,190 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:30:58,190 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,192 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,192 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,193 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,193 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:58,193 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,193 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:30:58,194 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:30:58,194 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,200 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,200 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:30:58,201 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:30:58,201 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:30:58,201 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:30:58,201 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:30:58,201 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:30:58,201 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:30:58,202 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:30:58,202 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:30:58,206 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:30:58,257 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:30:58,257 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:30:58,257 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:30:58,257 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:30:58,257 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:30:58,257 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:58,257 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:30:58,257 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:30:58,257 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 13:30:58,258 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:30:58,258 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:30:58,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:58,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:58,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:58,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:30:58,307 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:30:58,308 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:58,322 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:30:58,323 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:58,344 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:30:58,344 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:30:58,353 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:30:58,353 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=7}, {ULTIMATE.start_main_~y~0=3}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [2, 2, 2] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:58,376 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:30:58,376 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c07ae-5db0-46d2-af65-5c29d32b59a1/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:30:58,394 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:30:58,394 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:31:10,449 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 13:31:10,455 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:31:10,455 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:31:10,455 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:31:10,455 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:31:10,455 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:31:10,455 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:31:10,455 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:31:10,455 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:31:10,455 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 13:31:10,456 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:31:10,456 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:31:10,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:31:10,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:31:10,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:31:10,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:31:10,538 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:31:10,538 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:31:10,538 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,539 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,539 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,539 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,539 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:31:10,540 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:31:10,540 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:31:10,544 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,545 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,545 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,545 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,545 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:31:10,547 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:31:10,547 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:31:10,551 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,552 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,552 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,552 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:10,552 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,552 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,553 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:31:10,553 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:31:10,553 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:10,553 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,554 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,554 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,554 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:10,554 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,554 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,554 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:31:10,555 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:31:10,555 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:10,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,555 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 13:31:10,555 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,556 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,556 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,556 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,556 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:31:10,557 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 13:31:10,557 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 13:31:10,577 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,578 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,578 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,578 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:31:10,579 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 13:31:10,580 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 13:31:10,594 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,595 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,595 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,595 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:10,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,596 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:31:10,596 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:31:10,596 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:10,596 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,597 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,597 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,597 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:10,597 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,597 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,606 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:31:10,606 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:31:10,606 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:10,607 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,607 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 13:31:10,607 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,607 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,608 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,608 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,608 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:10,609 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:31:10,609 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:31:10,622 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,622 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,623 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,623 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:10,624 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:31:10,624 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:31:10,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:10,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,631 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:10,632 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:31:10,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:10,632 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,633 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,633 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,633 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:10,633 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,633 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,633 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:10,634 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:31:10,634 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:10,634 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,634 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 13:31:10,634 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,635 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,635 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:31:10,637 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 13:31:10,637 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 13:31:10,657 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,658 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,658 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,658 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,659 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,659 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:31:10,660 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 13:31:10,660 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 13:31:10,669 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,670 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,670 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:10,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,671 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:31:10,671 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:31:10,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:10,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,672 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:31:10,672 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:10,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,673 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:31:10,673 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:31:10,673 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:10,673 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,673 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 13:31:10,674 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,674 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:10,674 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:31:10,674 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,675 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:31:10,676 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 13:31:10,676 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 13:31:10,720 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,721 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,721 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:10,721 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:31:10,722 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,722 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,722 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:31:10,723 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 13:31:10,723 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 13:31:10,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,741 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,741 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:10,741 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:31:10,741 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:10,741 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,741 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,742 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:31:10,742 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:31:10,742 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:10,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,743 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,743 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:10,743 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:31:10,743 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:10,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,744 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,744 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:31:10,744 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:31:10,744 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:10,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:10,745 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 13:31:10,745 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:10,745 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:10,745 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:31:10,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:10,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:10,746 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:10,748 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:31:10,748 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:31:11,059 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,059 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,059 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,059 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:31:11,060 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,060 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,060 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:11,062 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:31:11,062 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:31:11,087 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,087 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,088 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,088 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:31:11,088 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:11,088 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,088 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,088 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:11,089 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:31:11,089 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:11,090 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,090 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,091 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,091 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:31:11,091 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:11,091 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,091 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,091 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:11,092 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:31:11,092 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:11,093 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,093 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 13:31:11,093 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,093 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,093 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:31:11,094 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,094 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:31:11,098 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 13:31:11,098 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 13:31:11,726 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,727 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,727 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,728 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:31:11,728 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,728 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,728 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:31:11,731 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 13:31:11,731 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 13:31:11,769 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,769 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,770 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,770 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:31:11,770 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:11,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,770 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:31:11,771 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:31:11,771 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:11,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,772 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,773 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,773 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:31:11,773 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:11,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,774 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:31:11,774 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:31:11,774 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:11,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,775 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 13:31:11,775 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,776 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,776 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:31:11,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,776 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:11,778 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:31:11,778 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:31:11,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,798 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,798 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,798 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:31:11,799 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,799 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:11,800 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:31:11,800 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:31:11,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,813 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,815 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:31:11,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:11,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,816 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:11,816 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:31:11,816 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:11,818 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,818 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,818 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,818 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:31:11,819 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:11,819 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,819 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,819 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:31:11,819 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:31:11,819 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:11,820 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:11,821 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 13:31:11,821 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:11,821 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:11,821 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:31:11,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:11,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:11,822 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:31:11,825 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 13:31:11,825 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 13:31:12,012 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:12,012 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:12,013 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:12,013 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:31:12,013 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:12,013 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:12,013 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:31:12,015 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 13:31:12,015 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 13:31:12,050 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:12,050 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:12,051 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:12,051 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:31:12,051 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:12,051 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:12,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:12,051 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:31:12,052 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:31:12,052 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:12,054 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:12,054 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:31:12,054 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:31:12,054 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:31:12,054 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:31:12,055 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:31:12,055 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:31:12,055 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:31:12,055 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:31:12,055 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:31:12,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:31:12,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:31:12 BoogieIcfgContainer [2018-11-28 13:31:12,062 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:31:12,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:31:12,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:31:12,062 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:31:12,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:30:11" (3/4) ... [2018-11-28 13:31:12,066 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:31:12,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:31:12,066 INFO L168 Benchmark]: Toolchain (without parser) took 60669.27 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 427.3 MB). Free memory was 952.2 MB in the beginning and 1.3 GB in the end (delta: -332.2 MB). Peak memory consumption was 95.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:12,068 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:31:12,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.53 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:12,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.66 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:31:12,069 INFO L168 Benchmark]: Boogie Preprocessor took 18.00 ms. Allocated memory is still 1.0 GB. Free memory was 941.4 MB in the beginning and 938.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:12,069 INFO L168 Benchmark]: RCFGBuilder took 193.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:12,070 INFO L168 Benchmark]: BuchiAutomizer took 60290.52 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 285.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -159.6 MB). Peak memory consumption was 594.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:12,070 INFO L168 Benchmark]: Witness Printer took 3.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:31:12,072 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.53 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.66 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.00 ms. Allocated memory is still 1.0 GB. Free memory was 941.4 MB in the beginning and 938.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 193.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 60290.52 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 285.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -159.6 MB). Peak memory consumption was 594.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 60.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 60.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div401 bol100 ite100 ukn100 eq146 hnf49 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 191ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...